340878 has 8 divisors (see below), whose sum is σ = 681768. Its totient is φ = 113624.

The previous prime is 340877. The next prime is 340889. The reversal of 340878 is 878043.

It is a sphenic number, since it is the product of 3 distinct primes.

340878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28401 + ... + 28412.

It is an arithmetic number, because the mean of its divisors is an integer number (85221).

2³⁴⁰⁸⁷⁸ is an apocalyptic number.

340878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340878 is a wasteful number, since it uses less digits than its factorization.

340878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56818.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 340878 is about 583.8475828502. The cubic root of 340878 is about 69.8553475454.

It can be divided in two parts, 3408 and 78, that added together give a triangular number (3486 = T₈₃).

The spelling of 340878 in words is "three hundred forty thousand, eight hundred seventy-eight".